Landings - Mid-Atlantic Bight

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Background

Landings from Mid-Atlantic Managed spp. SOE reports decreasing through time. Questions: * What are we trying to answer?

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SOE 2021

Managed Only

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Stats

        model     aicc coefs..Intercept.    coefs.x  coefs.x2         pval
1   poly_norm 808.2704        -595171644 597580.607 -149.9432 3.168215e-08
2    poly_ar1 795.2384        -517629789 519691.649 -130.3849 3.173330e-02
3 linear_norm 823.0615           6686058  -3241.838        NA 2.652105e-07
4  linear_ar1 805.1112           5577741  -2690.079        NA 3.633636e-02

Landing - GAMs - MAB

Row

GAM

Stats


Family: gaussian 
Link function: identity 

Formula:
Value ~ s(Time)

Parametric coefficients:
            Estimate Std. Error t value Pr(>|t|)    
(Intercept)   191037       3439   55.55   <2e-16 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Approximate significance of smooth terms:
          edf Ref.df     F p-value    
s(Time) 7.147  8.188 18.55  <2e-16 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

R-sq.(adj) =   0.81   Deviance explained = 84.9%
GCV = 5.5026e+08  Scale est. = 4.2573e+08  n = 36

Column

Thresholds

Revenue - Mid-Atlantic Bight

Row

Background

Revenue from Mid-Atlantic managed spp.

Row

SOE 2021

Managed Only

Column

Stats

        model     aicc coefs..Intercept.   coefs.x   coefs.x2         pval
1   poly_norm 1251.074     -513539259380 517371957 -130240.11 1.395704e-13
2    poly_ar1 1234.964     -369918070507 373946361  -94433.28 3.614128e-03
3 linear_norm 1280.107        9232086954  -4500168         NA 1.332253e-12
4  linear_ar1 1257.970        9113975391  -4442096         NA 2.550816e-03